Jerome John Garcia was an American singer-songwriter and guitarist, best known for being a principal songwriter, the lead guitarist and a vocalist with the rock band the Grateful Dead, of which he was a founding member and which came to prominence during the counterculture of the 1960s. Although he disavowed the role, Garcia was viewed by many as the leader of the band.
John Collins Dawson IV, nicknamed 'Marmaduke', was an American musician, singer, and songwriter. He was best known as the leader and co-founder of the country rock band the New Riders of the Purple Sage. He sang lead vocals on most of the band’s songs.